4jh1 ISUZU TF SERIES 2004 Workshop Manual

MAINTENANCE AND LUBRICATION 0B-7




I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate
SERVICE INTERVAL:
1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100(Use odometer reading or
1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60months whichever comes
fi rst)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
SERVICE BRAKES Brake fluid (4JH1-TC) - - - I - - - I - - - I - - - I - - - I Brake fluid (4JA1-TC) - - - - - I - - - - - I - - - - - I - - Brake system for fluid leakage
(4JH1-TC) I I I I I I I I I I I I I I I I I I I I Brake system for fluid leakage
(4JA1-TC) - - I - - I - - I - - I - - I - - I - - Brake function (4JH1-TC) I I I I I I I I I I I I I I I I I I I I Brake function (4JA1-TC) - - I - - I - - I - - I - - I - - I - - * Front Disc brake pads and discs wear (4JH1-TC) - I - I - I - I - I - I - I - I - I - I * Front Disc brake pads and discs wear (4JA1-TC) - - I - - I - - I - - I - - I - - I - - * Rear brake lining and drum wear (4JH1-TC) - I - I - I - I - I - I - I - I - I - I * Rear brake lining and drum wear (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Brake pedal travel and play (4JH1-TC) I I I I I I I I I I I I I I I I I I I I Brake pedal travel and play (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Pipes and hoses for loose
connections or damage (4JH1-TC) I I - I - I - I - I - I - I - I - I - I Pipes and hoses for loose
connections or damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - PARKING BRAKE Parking brake function (4JH1-TC) I I I I I I I I I I I I I I I I I I I I Parking brake function (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Parking brake lever travel (4JH1-TC) I I I I I I I I I I I I I I I I I I I I Parking brake lever travel (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Cables for looseness or damage and
guide for damage (4JH1-TC) I I I I I I I I I I I I I I I I I I I I Cables for looseness or damage and
guide for damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Ratchet for wear or damage (4JH1-TC) - I - I - I - I - I - I - I - I - I - I Ratchet for wear or damage (4JA1-TC) SUSPENSION Leaf/Coil/Torsion bar springs for
damage (4JH1-TC) I I - I - I - I - I - I - I - I - I - I Leaf/Coil/Torsion bar springs for
damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Mount for looseness or damage (4JH1-TC) I I - I - I - I - I - I - I - I - I - I Mount for looseness or damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Shock absorbers for oil leakage (4JH1-TC) - I - I - I - I - I - I - I - I - I - I Shock absorbers for oil leakage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Shock absorbers mount for
looseness (4JH1-TC) - I - I - I - I - I - I - I - I - I - I Shock absorbers mount for
looseness (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Rubber bushes of suspension wear
or damage (4JH1-TC) - I - I - I - I - I - I - I - I - I - I Rubber bushes of suspension wear
or damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Spring action for loss of balance due
to weakening (4JH1-TC) - - - I - - - I - - - I - - - I - - - I Spring action for loss of balance due
to weakening (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Joint ball rubber boot for damage (4JH1-TC) - I - I - I - I - I - I - I - I - I - I Joint ball rubber boot for damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - -

0B-8 MAINTENANCE AND LUBRICATION




I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate
SERVICE INTERVAL:
1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100(Use odometer reading or
1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60months whichever comes
fi rst)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
WHEELS Wheel nuts (4JH1-TC) T T - T - T - T - T - T - T - T - T - T Wheel nuts (4JA1-TC) - - T - - T - - T - - T - - T - - T - - Wheel disc for damage (4JH1-TC) I I - I - I - I - I - I - I - I - I - I Wheel disc for damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Hub bearing grease (4JH1-TC) - - - - - R - - - - - R - - - - - R - - Hub bearing grease (4JA1-TC) - - - - - R - - - - - R - - - - - R - - Front and rear hub bearings for
looseness (4JH1-TC) - I - I - I - I - I - I - I - I - I - I Front and rear hub bearings for
looseness (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Tire pressure and damage (4JH1-TC) I I - I - I - I - I - I - I - I - I - I Tire pressure and damage (4JA1-TC) - - I - - I - - I - - I - - I - - I - - OTHERS Bolts and nuts on chassis and body (4JH1-TC) I I - I - I - I - I - I - I - I - I - I Bolts and nuts on chassis and body (4JA1-TC) - - I - - I - - I - - I - - I - - I - - Lube front free - wheeling hubs - - - - - L - - - - - L - - - - - L - -

MAINTENANCE AND LUBRICATION 0B-11
SEVERE CONDITIONS MAINTENANCE SCHEDULE (For GENERAL EXPORT)

Severe driving conditions
A : Repeated short trips
G : Gasoline engine
B : Driving on rough roads
4JA1-T : 4JA1-T Diesel engine
C : Driving on dusty roads
4JA1-TC : 4JA1-TC Diesel engine
D : Driving in extremely cold weather and/or on salted roads
4JH : 4JH1-TC Diesel engine
E : Towing trailer or climbing mountain frequently
D
: Diesel engine
MT : Manual transmission

AT : Automatic transmission

4WD
Four wheel drive


Condition
A B C D E A+D
Engine oil G : Change every 5,000 km (3,000 miles) or 3 month4JA1-T : Change every 2,500 km (1,500 miles) 4JA1-TC : Change every 5,000 km (3,000 miles) 4JH : Change every 7,500 km (4,500 miles)



G Replace every 5,000 km (3,000 miles) or 3 month



Engine oil filter
D Replace every 5,000 km (3,000 miles)




Exhaust system Inspect every 5,000 km (3,000 miles)







Air cleaner element Replace every 20,000 km (12,000 miles) D : Inspect every 2,500 km (1,500 miles)


Steering system for looseness
or damage Inspect every 5,000 km (3,000 miles)



Universal joints and sleeves Inspect for wear and lubricate every 5,000 km (3,000
miles)



Transmission or transfer case
oil MT Change every 20,000 km (12,000 miles)
after changing at initial 10,000 km (6,000 miles)


AT Transmission:
Change every 20,000 km (12,000 miles)






4WD Transfer:
Change every 20,000 km (12,000 miles)


Differential oil Change every 20,000 km (12,000 miles)
after changing at initial 10,000 km (6,000 miles)


Front brake pads and discs Inspect every 5,000 km (3,000 miles)




Rear brake lining and drum
wear Inspect every 5,000 km (3,000 miles)






Interval Item

0B-12 MAINTENANCE AND LUBRICATION
SEVERE CONDITIONS MAINTENANCE SCHEDULE (For EUROPE)


Severe driving conditions
4JA1-TC : 4JA1-TC Diesel engine
A: Repeated short trips
4JH : 4JH1-TC Diesel engine
B: Driving on rough roads
D : Diesel engine
C: Driving on dusty roads
MT : Manual transmission
D: Driving in extremely cold weather and/or on salted roads
AT : Automatic transmission
E: Towing trailer or climbing mountein frequently
4WD : Four wheel drive


Condition
Item Interval
A B C D A+D
Engine oil 4JH : Change every 5,000 km (3,000 miles) 4JA1-TC : Change every 7,500 km (4,500 miles)



Engine oil filter 4JH : Replace every 5,000 km (3,000 miles) 4JA1-TC : Replace every 7,5000 km (4,500 miles)




Exhaust pipes and mounting Inspect every 10,000 km (6,000 miles)





Air cleaner element Replace every 20,000 km (12,000 miles)



Steering system for looseness or
damage Inspect every 5,000 km (3,000 miles)




Universal joints and sleeves Inspect for wear and lubricate every 10,000 km (6,000 miles)



Transmission or transmission
with transfer case oil MT Change every 30,000 km (18,000 miles)
after changing at initial 10,000 km (6,000 miles)



AT
Transmission:
Inspection every 20,000 km (12,000 miles)





4WD Transfer:
Change every 30,000 km (18,000 miles)
After changing at initial 10,000 km (6,000 miles)



Differential oil Change every 20,000 km (12,000 miles)
after changing at initial 10,000 km (6,000 miles)


Front brake pads and discs Inspect every 5,000 km (3,000 miles)




Rear brake lining and drum wear Inspect every 5,000 km (3,000 miles)

HEATER AND AIR CONDITIONING 1-1
SECTION 1
HEATER AND AIR CONDITIONING
TABLE OF CONTENTS
PAGE
General Description......................................................................................................... 1- 3
Parts Location ................................................................................................................. 1- 5
Main Data and Specifications ......................................................................................... 1- 15
Special Parts Fixing Nuts and Bolts .............................................................................. 1- 17
ON-Vehicle Service .......................................................................................................... 1- 26
Precautions For Replacement or repair of air conditioning parts .......................... 1- 26
Condenser ........................................................................................................................ 1- 36
Removal and Installation (4JA1-TC, 4JH1-TC).......................................................... 1- 36
Removal and Installation (Except 4JA1-TC, 4JH1-TC) ............................................. 1- 37
Condenser Fan Motor ...................................................................................................... 1- 38
Removal and Installation ............................................................................................ 1- 38
Receiver/drier ................................................................................................................... 1- 39
Removal and Installation ............................................................................................ 1- 39
Compressor...................................................................................................................... 1- 40
Removal and Installation (4J ENGINE) ...................................................................... 1- 40
Removal and Installation (6VE1) ................................................................................ 1- 42
Removal and Installation (C24SE) ............................................................................. 1- 44
Disassembly ................................................................................................................ 1- 50
Reassembly ................................................................................................................. 1- 52
Heater Unit........................................................................................................................ 1- 54
Removal and Installation ............................................................................................ 1- 54
Disassembly and Reassembly ................................................................................... 1- 56
Vent Unit (Without Heater) ............................................................................................. 1- 57
Removal and Installation ............................................................................................ 1- 57
Disassembly and Reassembly ................................................................................... 1- 59
Evaporator (With A/C)...................................................................................................... 1- 60
Removal and Installation ............................................................................................ 1- 60
Disassembly and Reassembly ................................................................................... 1- 61

HEATER AND AIR CONDITIONING 1-9
(4JA1-TC / 4JH1-TC WITH A/C)



RTW48AXF003501

1-10 HEATER AND AIR CONDITIONING
(4JA1-TC / 4JH1-TC WITH COOLER)



RTW48AXF005801

1-36 HEATER AND AIR CONDITIONING
CONDENSER
REMOVAL AND INSTALLATION (4JA1-TC, 4JH1-TC)

This illustration is based on RHD model RTW410LF000501
Removal Steps
1. Radiator grille
2. Front bumper fascia

Refer to SECTION 2A “FRONT
BUMPER”
3. Front bumper inpact support assembly

Refer to SECTION 2A “FRONT
BUMPER”
4. Air cleaner assembly
5. Inter cooler

Refer to SECTION 6A “INTER COOLER”
6. Engine hood lock
7. Engine hood front end stay
8. Pressure switch connector
9. Condenser fan connector
10. Refrigerant line
11. Refrigerant line
12. Receiver/drier bracket
13. Receiver/drier
14. Condenser assembly
Installation Steps
14. Condenser assembly
13. Receiver/drier
12. Receiver/drier bracket
11. Refrigerant line
10. Refrigerant line
9. Condenser fan connector
8. Pressure switch connector
7. Engine hood front end stay
6. Engine hood lock
5. Inter cooler

Refer to SECTION 6A “INTER COOLER”
4. Air cleaner assembly
3. Front bumper inpact support assembly

Refer to SECTION 2A “FRONT
BUMPER”
2. Front bumper fascia

Refer to SECTION 2A “FRONT
BUMPER”
1. Radiator grille

HEATER AND AIR CONDITIONING 1-37

REMOVAL AND INSTALLATION (EXCEPT 4JA1-TC, 4JH1-TC)



RTW410LF000701

Removal Steps
1. Radiator grille
2. Engine hood lock
3. Engine hood front end stay
4. Pressure switch connector
5. Condenser fan connector
6. Refrigerant line
7. Refrigerant line
8. Receiver/drier bracket
9. Receiver/drier
10. Condenser assembly

Installation Steps
10. Condenser assembly
9. Receiver/drier
8. Receiver/drier bracket
7. Refrigerant line
6. Refrigerant line
5. Condenser fan connector
4. Pressure switch connector
3. Engine hood front end stay
2. Engine hood lock
1. Radiator grille

HEATER AND AIR CONDITIONING 1-89

4JH1 – TC


RTW410LF000101